Widget buildAreaWithTitle(BuildContext context) {
    return GestureDetector(
      onTap: (){
        TDPicker.showMultiPicker(context, title: '选择地区',
            onConfirm: (selected) {
              setState(() {
                selected_4 = '${data_1[selected[0]]}';
              });
              Navigator.of(context).pop();
            }, data: [data_1]);
      },
      child: buildSelectRow(context, selected_4, '带标题选择器'),
    );
  }